import Vue from 'vue'
import Router from 'vue-router'


Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/Login',
    name: 'Login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [{
      path: 'dashboard',
      name: 'Dashboard',
      component: () => import('@/views/dashboard/index'),
      meta: { title: '首页', icon: 'dashboard' }
    }]
  },

  {
    path: '/swiper',
    component: Layout,
    children: [{
      path: 'swiper',
      name: 'Swiper',
      component: () => import('@/views/swiper/index'),
      meta: { title: '轮播图', icon: 'el-icon-postcard' }
    }]
  },

  {
    path: '/category',
    component: Layout,
    name: 'Category',
    meta: { title: '分类管理', icon: 'el-icon-s-management' },
    children: [
      {
        path: '/big-category',
        name: 'big-Category',
        component: () => import('@/views/category/big-category'),
        meta: { title: '商品大类管理', icon: 'el-icon-s-management' }
      },
      {
        path: '/small-category',
        name: 'small-Category',
        component: () => import('@/views/category/small-category'),
        meta: { title: '商品小类管理', icon: 'el-icon-s-management' }
      },
    ]
  },

  {
    path: '/product',
    component: Layout,
    name: 'Product',
    meta: { title: '商品管理', icon: 'el-icon-goods' },
    children: [
      {
        path: '/sku',
        name: 'Sku',
        component: () => import('@/views/product/sku'),
        meta: { title: 'sku管理' }
      }, {
        path: '/spu',
        name: 'Spu',
        component: () => import('@/views/product/spu'),
        meta: { title: 'spu牌管理' }
      },
      {
        path: '/trademark',
        name: 'TradeMark',
        component: () => import('@/views/product/trademark'),
        meta: { title: '品牌管理' }
      },
      {
        path: '/attr',
        name: 'Attr',
        component: () => import('@/views/product/attr'),
        meta: { title: '平台属性管理' }
      },
    ]
  },

  {
    path: '/order',
    component: Layout,
    redirect: '/order',
    children: [{
      path: 'order',
      name: 'order',
      component: () => import('@/views/order/index'),
      meta: { title: '订单管理', icon: 'el-icon-s-order' }
    }]
  },

  {
    path: '/modifypassword',
    component: Layout,
    redirect: '/modifypassword',
    children: [{
      path: 'modifypassword',
      name: 'modifyPassword',
      component: () => import('@/views/modifypassword/index'),
      meta: { title: '修改密码', icon: 'el-icon-edit-outline' }
    }]
  },


  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true }
]

// const router = createRouter({
//   mode: 'history',
//   routers: [
//     {
//       path: '/Login',
//       name: 'Login',
//       component: () => import('@/views/login/index'),
//       hidden: true
//     },

//     {
//       path: '/404',
//       component: () => import('@/views/404'),
//       hidden: true
//     },

//     {
//       path: '/',
//       component: Layout,
//       redirect: '/dashboard',
//       children: [{
//         path: 'dashboard',
//         name: 'Dashboard',
//         component: () => import('@/views/dashboard/index'),
//         meta: { title: '首页', icon: 'dashboard' }
//       }]
//     },

//     {
//       path: '/swiper',
//       component: Layout,
//       children: [{
//         path: 'swiper',
//         name: 'Swiper',
//         component: () => import('@/views/swiper/index'),
//         meta: { title: '轮播图', icon: 'el-icon-postcard' }
//       }]
//     },

//     {
//       path: '/category',
//       component: Layout,
//       name: 'Category',
//       meta: { title: '分类管理', icon: 'el-icon-s-management' },
//       children: [
//         {
//           path: '/big-category',
//           name: 'big-Category',
//           component: () => import('@/views/category/big-category'),
//           meta: { title: '商品大类管理', icon: 'el-icon-s-management' }
//         },
//         {
//           path: '/small-category',
//           name: 'small-Category',
//           component: () => import('@/views/category/small-category'),
//           meta: { title: '商品小类管理', icon: 'el-icon-s-management' }
//         },
//       ]
//     },

//     {
//       path: '/product',
//       component: Layout,
//       name: 'Product',
//       meta: { title: '商品管理', icon: 'el-icon-goods' },
//       children: [
//         {
//           path: '/sku',
//           name: 'Sku',
//           component: () => import('@/views/product/sku'),
//           meta: { title: 'sku管理' }
//         }, {
//           path: '/spu',
//           name: 'Spu',
//           component: () => import('@/views/product/spu'),
//           meta: { title: 'spu牌管理' }
//         },
//         {
//           path: '/trademark',
//           name: 'TradeMark',
//           component: () => import('@/views/product/trademark'),
//           meta: { title: '品牌管理' }
//         },
//         {
//           path: '/attr',
//           name: 'Attr',
//           component: () => import('@/views/product/attr'),
//           meta: { title: '平台属性管理' }
//         },
//       ]
//     },

//     {
//       path: '/order',
//       component: Layout,
//       redirect: '/order',
//       children: [{
//         path: 'order',
//         name: 'order',
//         component: () => import('@/views/order/index'),
//         meta: { title: '订单管理', icon: 'el-icon-s-order' }
//       }]
//     },

//     {
//       path: '/modifypassword',
//       component: Layout,
//       redirect: '/modifypassword',
//       children: [{
//         path: 'modifypassword',
//         name: 'modifyPassword',
//         component: () => import('@/views/modifypassword/index'),
//         meta: { title: '修改密码', icon: 'el-icon-edit-outline' }
//       }]
//     },


//     // 404 page must be placed at the end !!!
//     { path: '*', redirect: '/404', hidden: true }
//   ]
// })

const createRouter = () => new Router({
  mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

router.beforeEach((to, from, next) => {
  const token = localStorage.getItem('token')
  if (to.name !== 'Login' && !token) next({ name: 'Login' })
  else next()
})


// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
